// Copyright (C) INFINI Labs & INFINI LIMITED.
//
// The INFINI Framework is offered under the GNU Affero General Public License v3.0
// and as commercial software.
//
// For commercial licensing, contact us at:
//   - Website: infinilabs.com
//   - Email: hello@infini.ltd
//
// Open Source licensed under AGPL V3:
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.

package pipeline

type pipelineResult struct {
	dag *Dag
}

func (result *pipelineResult) Then() *pipelineDSL {
	return &pipelineDSL{
		result.dag,
	}
}

func (result *pipelineResult) OnComplete(action ...Processor) *pipelineResult {
	job := result.dag.lastJob()
	if job != nil {
		job.onComplete = action
	}
	return result
}

func (result *pipelineResult) OnFailure(action Processor) *pipelineResult {
	job := result.dag.lastJob()
	if job != nil {
		job.onFailure = action
	}
	return result
}

type pipelineDSL struct {
	dag *Dag
}

func (dsl *pipelineDSL) Spawns(tasks ...Processor) *spawnsResult {
	dsl.dag.Spawns(tasks...)
	return &spawnsResult{
		dsl.dag,
	}
}

type spawnsResult struct {
	dag *Dag
}

func (result *spawnsResult) Join() *spawnsDSL {
	return &spawnsDSL{
		result.dag,
	}
}

func (result *spawnsResult) OnComplete(action ...Processor) *spawnsResult {
	job := result.dag.lastJob()
	if job != nil {
		job.onComplete = action
	}
	return result
}

type spawnsDSL struct {
	dag *Dag
}

func (dsl *spawnsDSL) Pipeline(tasks ...Processor) *pipelineResult {
	dsl.dag.Pipeline(tasks...)
	return &pipelineResult{
		dsl.dag,
	}
}
